CN205416002U - Concrete mixing device - Google Patents

Abstract

The utility model provides a concrete mixing device, which belongs to the technical field of mechanical equipment. It solves the technical problems such as the low loading efficiency of the existing concrete after mixing. The concrete mixing device includes a door-type mounting frame installed vertically. A mixing tank and a hopper are fixed on the mounting frame. The hopper is located directly below the mixing tank. Pipe and water inlet pipe, feed pipe, sand inlet pipe and water inlet pipe all extend along the side of the installation frame to the bottom of the installation frame, and the pump body is connected to the feed pipe, sand inlet pipe and water inlet pipe; the lower end of the mixing tank There is a discharge port, the upper end of the hopper is provided with a feed port facing the discharge port, the lower end of the hopper is provided with a discharge port, and the discharge port is located in the middle of the mounting frame, and there is also a block on the hopper. The discharge valve of the discharge port. The device has the characteristics of convenient control, high degree of automation and high efficiency.

Description

A concrete mixing device

technical field

The utility model belongs to the technical field of building material production equipment, and relates to a stirring device, in particular to a stirring device for stirring concrete.

Background technique

Generally speaking, concrete refers to the cement concrete obtained by using cement as the cementitious material, sand and stone as the aggregate, mixed with water in a certain proportion, and stirred. It is widely used in various constructions such as civil engineering. Existing concrete is usually realized by using a concrete mixer according to different construction requirements and conditions. Before mixing, the ingredients should be proportioned according to the mix ratio, and the weighing error should be controlled. The order of feeding and mixing time will affect the quality of the concrete, and should be strictly controlled to make the ingredients of each component mix evenly. The stirred concrete mixture can be transported to the construction site by hoppers, belt conveyors or mixer trucks.

my country's patent (notification number: CN203062956U, publication date: 2013-07-17) discloses a new type of concrete mixing system, the stones and sand in the raw material bin are sent to the drying mechanism together with the cement after passing through the cleaning mechanism, and the dried materials It is sent into the cement silo, stone silo and sand silo. After being vibrated and screened, the stone and sand are weighed by the metering device, and put into the mixing pot together with the corresponding quality of cement. There is also a concrete glue bin above the mixing pot. The metering device and the water reducer bin metering device, all metering devices are uniformly controlled by the control room, and the concrete stirred in the mixing pot is put into the finished material storage bin for use. When the utility model is used, sand, stone, glue, water reducing agent and cement can be batched and output continuously to ensure the accuracy of batching, and fine screening can ensure the quality of aggregate, thereby improving the reliability of construction.

In the concrete mixing system disclosed in the above-mentioned patent documents, the concrete mixed in the mixing pot is loaded into the finished product storage bin for use, and it takes a lot of time to load each time, and because the concrete cannot be exposed to the air for too long , For long-distance transportation, the delay in feeding time will also affect the quality of concrete.

Contents of the invention

The utility model aims at the above-mentioned problems existing in the existing technology, and provides a concrete mixing device. The technical problem to be solved by the utility model is: how to conveniently and efficiently load the mixed concrete and solidify quickly, so as to improve the construction efficiency.

The purpose of this utility model can be achieved through the following technical solutions:

A concrete mixing device, comprising a vertically arranged door-type installation frame, characterized in that a mixing tank and a hopper are fixed on the installation frame, and the hopper is located directly below the mixing tank. The upper end of the stirring tank is respectively connected with a feeding pipe, a sand inlet pipe and a water inlet pipe, and the feeding pipe, the sand inlet pipe and the water inlet pipe all extend to the bottom of the installation frame along the side of the installation frame. The feed pipe, the sand feed pipe and the water feed pipe are all connected with a pump body; the lower end of the mixing tank is provided with a discharge port, and the upper end of the hopper is provided with a feed port facing the discharge port. , the lower end of the hopper is provided with a discharge port, the discharge port is located in the middle of the installation frame, and the hopper is also provided with a discharge valve capable of blocking the discharge port.

The principle is as follows: This concrete mixing device is used to mix cement, sand and water for loading, and the cement, sand and water enter the mixing tank through the feed pipe, sand pipe and water pipe under the action of the pump body. Internal mixing, after stirring and fully mixing to form concrete, the mixed concrete enters the receiving hopper through the discharge port, and the receiving hopper can store concrete. When it needs to be used, the transport vehicle drives to the bottom of the receiving hopper, opens the discharge valve, and Fast loading, greatly saving manpower and improving the efficiency of concrete in the transfer process, greatly shortening the loading time. The device has the characteristics of convenient control, high degree of automation and high efficiency.

The feeding pipe and sand feeding pipe in this technical solution adopt the pump body with the patent number CN201020609959.2, the announcement number CN201865872U, and the announcement date is 2011-06-15, which can ensure the efficient transportation of cement and sand.

In the above-mentioned concrete mixing device, the installation frame includes a column 1 and a column 2 arranged in parallel at intervals. The installation beam is located between the first column and the second column, and the discharge port is located in the middle of the first column and the second column. It is convenient for the car to drive directly under the receiving hopper, the material is received accurately, the efficiency is improved, and waste is prevented.

In the above-mentioned concrete mixing device, the hopper includes a barrel-shaped upper end and a conical lower end, the tip of the conical portion faces downward and the discharge port and the discharge valve are both located at the tip of the cone. Such a structure can not only ensure that the receiving hopper stores a large amount of concrete, but also ensure smoother discharge.

In the above-mentioned concrete mixing device, the discharge valve includes cylinder one and cylinder two arranged obliquely downward along the outer wall of the conical part, the cylinder one and cylinder two are arranged oppositely, and the piston rods of cylinder one and cylinder two Both are connected with a blocking plate. Further, the blocking plate is hinged on the receiving hopper, and the piston rods of cylinder one and cylinder two are hinged with connecting plates and are hinged with the blocking plate through the connecting plates. Through the action of the first cylinder and the second cylinder, they will respectively drive the blocking plate to move relative or backward. Thereby, the blocking and opening of the blocking plate are realized, and the control is simple and sensitive.

In the above-mentioned concrete mixing device, the mixing tank includes a tank body and a motor that drives the stirring shaft to rotate, the tank body is hinged with a cylinder three, and the piston rod of the cylinder three is hinged with a Mouth sealing plate. The mixing time of the concrete in the mixing tank can be controlled by the sealing plate to ensure its quality. At the same time, it is also good to control the amount of concrete in the mixing tank entering the receiving hopper to prevent it from being too full and overflowing. Sensors can also be installed in the mixing tank. When there is too much, the induction signal can be transmitted to the controller, and then the controller controls the pump body to stop conveying cement, sand and water into the mixing tank. In addition, the mixing tank can also be used as a storage tank, where the mixed concrete is stored, and when it needs to be released, it can be dumped quickly by opening the sealing plate.

As a preference, in this technical solution, a weighing mechanism is provided between the feed pipe, the sand inlet pipe, the water inlet pipe and the mixing tank, and the power of the pump body is controlled by the weighing mechanism, so that the cement, sand and water can be automatically controlled. The mixing proportion is set according to the needs and automatically adjusted, with high precision, which greatly improves the efficiency while ensuring the quality.

Compared with the prior art, the utility model has the following advantages:

1. In this technical solution, the concrete is stored through the receiving hopper. When it needs to be used, the transport vehicle drives to the bottom of the receiving hopper, opens the discharge valve, and can be loaded quickly, which greatly saves manpower and improves the efficiency of concrete in the transfer process. It has the characteristics of convenient control, high degree of automation and high efficiency.

2. In this technical solution, by setting a sealing plate at the lower end of the mixing tank, the mixing time of the concrete in the mixing tank can be controlled to ensure its quality. At the same time, it is also good to control the amount of concrete in the mixing tank entering the receiving hopper to prevent the concrete in the receiving hopper. The concrete is too full to overflow.

Description of drawings

Fig. 1 is a schematic diagram of the front view of the concrete mixing device.

Fig. 2 is a structural schematic diagram of the receiving hopper in the concrete mixing device.

In the figure, 1, installation frame; 11, column one; 12, column two; 13, installation beam; 2, mixing tank; 21, discharge port; 22, tank body; 23, motor; Sealing plate; 3, receiving hopper; 31, feeding port; 32, discharging port; 33, cylindrical part; 34, conical part; 4, feeding pipe; 5, sand inlet pipe; 6, water inlet pipe; 7, Pump body; 8, discharge valve; 81, cylinder one; 82, cylinder two; 83, blocking plate.

detailed description

In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the utility model. Obviously, the described The embodiments are only some of the embodiments of the present utility model, but not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

As shown in Figures 1 and 2, this concrete mixing device is used to mix cement, sand and water for loading. It includes a vertically arranged door-type mounting frame 1, and a mixing frame is fixed on the mounting frame 1. The tank 2 and the receiving hopper 3, the receiving hopper 3 is located directly below the mixing tank 2, the upper end of the mixing tank 2 is respectively connected with the feeding pipe 4, the sand feeding pipe 5 and the water feeding pipe 6, the feeding pipe 4, the sand feeding pipe 5 and the The water inlet pipe 6 extends along the side of the installation frame 1 to the bottom of the installation frame 1, and the pump body 7 is connected to the feed pipe 4, the sand inlet pipe 5 and the water inlet pipe 6; the lower end of the mixing tank 2 is provided with a discharge port 21. The upper end of the hopper 3 is provided with a material receiving port 31 facing the discharge port 21, and the lower end of the hopper 3 is provided with a discharge port 32, which is located in the middle of the installation frame 1, and the hopper 3 is also provided with a There is a discharge valve 8 that can block the discharge port 32; further, the installation frame 1 includes a column one 11 and a column two 12 arranged in parallel intervals, and the column one 11 and the column two 12 are fixed with a mounting beam 13 near the upper end, stirring Both the tank 2 and the hopper 3 are fixed on the installation beam 13 and between the first column 11 and the second column 12, and the discharge port 32 is located in the middle of the first column 11 and the second column 12. Cement, sand and water are mixed in the mixing tank 2 through the feed pipe 4, the sand inlet pipe 5 and the water inlet pipe 6 under the action of the pump body 7. After stirring and fully mixing, concrete is formed, and the mixed concrete passes through the outlet The feed port 21 enters the hopper 3, and the hopper 3 can store concrete. When it needs to be used, the transport vehicle drives to the bottom of the hopper 3, opens the discharge valve 8, and can be loaded quickly, which greatly saves manpower and improves the concrete. The efficiency in the transshipment process greatly shortens the loading time. The device has the characteristics of convenient control, high degree of automation and high efficiency.

The feeding pipe 4 and the sand feeding pipe 5 in this technical solution adopt the pump body 7 with the patent number CN201020609959.2, the announcement number CN201865872U, and the announcement date of 2011-06-15, which can ensure the efficient transportation of cement and sand .

As shown in Figure 2, the receiving hopper 3 includes a barrel-shaped cylindrical portion 33 at the upper end and a conical portion 34 with a conical lower end. part 34 at the tip of the cone; such a structure can not only ensure that the receiving hopper 3 stores a large amount of concrete, but also ensure smoother discharge; the discharge valve 8 includes a cylinder arranged obliquely downward along the outer wall of the conical part 34 81 and cylinder two 82, cylinder one 81 and cylinder two 82 are relatively arranged, and the piston rods of cylinder one 81 and cylinder two 82 are all connected with a blocking plate 83; further, the blocking plate 83 is hinged on the receiving hopper 3, and the cylinder The piston rods of the first 81 and the second cylinder 82 are hinged with connecting plates and are hinged with the blocking plate 83 through the connecting plates. Through the action of the first cylinder 81 and the second cylinder 82, the blocking plates 83 are respectively driven to move relative or backward. Thereby, the blocking and opening of the blocking plate 83 is realized, and the control is simple and sensitive.

As shown in Figure 1, the stirring tank 2 includes a tank body 22 and a motor 23 that drives the stirring shaft to rotate, the tank body 22 is hinged with a cylinder three 24, and the piston rod of the cylinder three 24 is hinged with a seal that can block the discharge port 21. Plate 25; the mixing time of the concrete in the mixing tank 2 can be controlled by the sealing plate 25 to ensure its quality. At the same time, it is also good to control the amount of concrete in the mixing tank 2 entering the receiving hopper 3 to prevent overflowing from being too full. A sensor can be set, and when the amount of concrete inside is too much, the sensing signal can be transmitted to the controller, and then the controller controls the pump body 7 to stop conveying cement, sand and water, etc. into the mixing tank 2 . In addition, the mixing tank 2 can also be used as a storage tank, where the stirred concrete is stored, and when it needs to be released, it can be dumped quickly by opening the sealing plate 25; There is a weighing mechanism between it and the mixing tank 2, and the power of the pump body 7 is controlled by the weighing mechanism, so that the mixing proportion of cement, sand and water can be automatically controlled, and it can be automatically adjusted after setting according to the needs, with high accuracy. Greatly improve efficiency while ensuring quality.

Under the premise of not departing from the essence of the present invention, those skilled in the art to which the present invention belongs can make various modifications or supplements to the described specific embodiments or replace them in similar ways, but will not deviate from The spirit of the present invention may go beyond the scope defined by the appended claims.

Claims (5)

1. a concrete central mix plant, including the installing rack (1) in gate-type being vertically arranged, it is characterized in that, agitator tank (2) and receiving hopper (3) it is installed with on described installing rack (1), described receiving hopper (3) is positioned at the underface of described agitator tank (2), the upper end of described agitator tank (2) is connected to feed pipe (4), sand inlet tube (5) and water inlet pipe (6), described feed pipe (4), sand inlet tube (5) and water inlet pipe (6) all extend to the bottom of described installing rack (1) along the sidepiece of described installing rack (1), described feed pipe (4), it is respectively connected with the pump housing (7) on sand inlet tube (5) and water inlet pipe (6)；The lower end of described agitator tank (2) offers discharging opening (21), the upper end of described receiving hopper (3) offer with described discharging opening (21) just to material receiving port (31), the lower end of described receiving hopper (3) offers drain hole (32), described drain hole (32) is positioned at described installing rack (1) middle part, and described receiving hopper (3) is additionally provided with the dispensing valve (8) that can block described drain hole (32).

Concrete central mix plant the most according to claim 1, it is characterized in that, described installing rack (1) includes column one (11) and the column two (12) that parallel interval arranges, described column one (11) and column two (12) are installed with installation crossbeam (13) near upper end, described agitator tank (2) and receiving hopper (3) are all installed in described installation crossbeam (13) and above and are positioned between described column one (11) and column two (12), described drain hole (32) is positioned at described column one (11) and described column two (12) middle.

Concrete central mix plant the most according to claim 1 and 2, it is characterized in that, described receiving hopper (3) includes that upper end is the tapered conus portion (34) of the cylindrical portion (33) of tubbiness and lower end, and the cone of described conus portion (34) is down and described drain hole (32) and dispensing valve (8) are respectively positioned on the cone tip part of described conus portion (34).

Concrete central mix plant the most according to claim 3, it is characterized in that, described dispensing valve (8) includes cylinder one (81) and the cylinder two (82) arranged obliquely along conus portion (34) lateral wall, described cylinder one (81) and cylinder two (82) are oppositely arranged, and the piston rod of described cylinder one (81) and cylinder two (82) is respectively connected with plugging plate (83).

Concrete central mix plant the most according to claim 1 and 2, it is characterized in that, described agitator tank (2) includes tank body (22) and the motor (23) driving shaft to rotate, it is hinged with cylinder three (24) on described tank body (22), the piston rod of described cylinder three (24) is hinged with the shrouding (25) that can block described discharging opening (21).